From the rising sun pub on March 10, 1905 to the streets of Fulham, the Blues shirts adopted by Gus Mears, after the racing colour of Lord Chelsea, the metropolitan borough of Chelsea, made a remarkable appearance in English football history.

From philosophies to philosophies, mind bugling ideologies to conflicting percepts , and successes and downfalls, the blues confined in their quest to get their names engraved in the indelible books of world football legacy.

However, the question still remains in the minds of many. Have they been successful? In the absence of a defined success threshold, I’ll rely on the Premier League and UEFA Champions League trophies to gauge success as I discuss the philosophies behind their attainment.

Was the Premier League campaign spanning 2004-2006 indicative of Chelsea’s peak consistency in English football? What were the key factors contributing to Carlo Ancelotti’s and Antonio Conte’s successful seasons in 2010 and 2017 respectively?

Chelsea players Petr Cech (L) John Terry (R) and Frank Lampard (C) look at the trophy with their Manager Jose Mourinho (2nd R) (Photo credit should read ADRIAN DENNIS/AFP via Getty Images)

Can their triumphs in the Champions League be attributed to luck? What overarching philosophy proves most effective for the Chelsea team? These are lingering questions for fans, pundits, and football aficionados alike.

During the era when the 4-4-2 formation was widely entrenched in the English League, Portuguese football tactician Jose Mourinho, fresh from a successful tenure at FC Porto, assumed the managerial reins at Chelsea under the ownership of Roman Abramovic, heralding a new chapter in the club’s sporting trajectory.

Jose Mourinho (Photo by Clive Mason/Getty Images)

Despite initial challenges in securing a league title, Mourinho orchestrated a remarkable transformation of the Chelsea squad between 2004 and 2006, clinching two consecutive Premier League trophies.

Throughout the first season, Chelsea’s dominance was evidenced by losing just one game, amassing a maximum of 95 points, and conceding a mere 15 goals, showcasing both offensive and defensive prowess.

Amidst ongoing inquiries into Mourinho’s strategies for revitalizing the Chelsea team, I’ll shed light on a concept I term “tactical periodization.” Mourinho approached the game holistically, addressing various elements such as overall playing style, club objectives, player capabilities, structural organization, and alignment with his football philosophy.

Jose Mourinho (Photo by Alex Livesey/Getty Images)

Tactically, Mourinho implemented a 4-3-3 diamond formation to counter the prevalent 4-4-2 setup in the English League, thereby gaining a numerical advantage over opposing teams in midfield.

With Petr Cech’s proficiency as a shot-stopper but limitations in ball distribution, Mourinho devised strategies such as utilizing two ball-playing center-backs in John Terry and William Gallas during build-up play, a novelty in English football at the time. Additionally, midfield setup featured Claude Makelele as the lone pivot, with Frank Lampard and Tiago positioned slightly advanced to bolster Chelsea’s midfield dominance.

Jose Mourinho manager of Chelsea. (Photo by Laurence Griffiths/Getty Images)

In attacking transitions, Mourinho innovatively deployed wingbacks in advanced roles, facilitating overlapping runs and positional fluidity, particularly with wingers Damien Duff and Arjen Robben, who frequently interchanged positions to confound opponents.

Defensive transitions saw Chelsea adopt a compact 4-5-1 shape, with wingers dropping deep to ensure defensive solidity—a strategic approach informed by Mourinho’s football philosophy.

Claude Makelele of Chelsea (Photo by Etsuo Hara/Getty Images)

Drawing inspiration from mentors Vito Frade , Mourinho emphasized minimizing errors and capitalizing on opponent mistakes, epitomizing a pragmatic approach to securing victories.

He believed that, the party with the ball was likely to make mistakes; the party with the ball was always in fear which influenced his ideologies not to be obsessed with having the ball. The opponent could have it and they capitalize on mistakes.

This defensive mindset, contrary to the possession-oriented philosophy espoused by Johan Cruyff, saw Chelsea adeptly manage games by securing early leads and staunchly defending advantages.

Michael Essien of Chelsea. (Photo by Jamie McDonald/Getty Images)

The 2005/2006 season saw Mourinho further bolster his squad with signings like Michael Essien and Joe Cole, reinforcing Chelsea’s dominance as they secured the league title with 91 points, a testament to Mourinho’s astute tactical acumen and strategic signings.

In the realm of modern football, those with a progressive mindset sought to embrace an attacking style. However, their efforts were hindered by tactical and individual constraints, leading to the resurgence of Jose Mourinho.

Michael Essien of Chelsea. (Photo by Christopher Lee – The FA/The FA via Getty Images)

With his return came a focus on discipline and a defensive ethos, grounded in a pragmatic approach to the game. Mourinho bolstered his squad with key signings like Thibaut Courtois, Matic, Fabregas, and Diego Costa, strategically reinforcing his tactical blueprint. Chelsea, under his guidance, excelled at absorbing pressure, operating in low defensive blocks, and frustrating opponents by controlling the tempo of the game.

Mourinho’s preferred formations, notably the 4-1-4-1 or 4-4-1-1, prioritized connectivity in midfield to facilitate swift counterattacks, a strategy that proved highly effective during that period of attacking football evolution.

Carlo Ancelotti (Photo by Clive Mason/Getty Images)

Against a backdrop of consistency that elevated mediocrity to greatness, Chelsea faced the challenge of reproducing Premier League success following the departure of the ‘special one,’ leaving behind significant shoes to fill. In the quest for a philosophy capable of emulating Jose Mourinho’s achievements, Carlo Ancelotti was entrusted with the baton.

In the annals of football history, Carlo Ancelotti’s managerial prowess shines brightly, particularly during Chelsea’s triumphant 2009-2010 Premier League campaign.

The Italian maestro orchestrated a tactical masterpiece that blended defensive solidity with attacking flair, records were set, records were broken and when the curtains of the memorable campaign fell, Chelsea stood tall garnering a total of 86 points, a priceless point ahead of their then bitter rivals Manchester United who bitterly finished second with 85 points. This article attempts to explain the reasons behind the success.

Carlo Ancelotti manager of Chelsea and substitute Fernado Torres. (Photo by Clive Rose/Getty Images)

Ancelotti started his tenure at Stamford Bridge with a tactical blueprint reminiscent of a diamond, a 4-1-2-1-2 formation that amalgamated elements of both 4-4-2 and 4-3-3. At its base was Michael Essien, flanked by the midfield stalwarts Frank Lampard and Michael Ballack, while Deco orchestrated proceedings from the tip.

However, this initial setup encountered teething problems, notably a lack of synergy between frontmen Didier Drogba and Nicolas Anelka, Deco not being able to play the role of ‘conductor’ as effectively as Pirlo had done for Ancelotti at Milan and Lampard being less threatening going forward in this set up.

LONDON, ENGLAND – MARCH 20: Chelsea manager Carlo Ancelotti prepares substitutes Didier Drogba and Nicolas Anelka during the Barclays Premier League match between Chelsea and Manchester City at Stamford Bridge on March 20, 2011 in London, England. (Photo by Michael Regan/Getty Images)

Recognizing the need for adaptation, Ancelotti astutely transitioned to a fluid 4-3-3, affording greater offensive impetus and defensive stability. Deco made way for Florent Malouda, injecting pace and width into Chelsea’s attacking arsenal.

The rewards were immediate, with Malouda enjoying a stellar campaign and Lampard flourishing in a more liberated role where he could attack the box from deep, he ended up with an impressive 22 goals and 16 assists that season. Drogba, meanwhile, elevated his game to new heights, netting 29 goals and contributing 13 assists.

Defensively, Ancelotti deployed a disciplined 4-4-2 midblock, suffocating opposition threats in central areas through compactness and organization. He basically said to opponents, ‘You ae not getting through using central areas, try using crosses.’ John Terry’s leadership proved pivotal, marshaling the backline with authority, ably supported by the marauding full-backs Ashley Cole and Branislav Ivanovic.

LONDON, ENGLAND – MAY 09: Manager Carlo Ancelotti and Florent Malouda (Photo by Shaun Botterill/Getty Images)

In hindsight, Ancelotti’s tenure at Chelsea stands as a testament to his tactical acumen and man-management skills. By seamlessly transitioning between formations and empowering his players to express themselves, he crafted a team capable of conquering the Premier League. 103 goals scored, 32 goals conceded, +71 Goal difference, 86 points, Champions of England.

During Carlo Ancelotti’s tenure as the Italian tactician at Chelsea, he played a significant role in the team’s success. However, concerns started to arise within the Chelsea camp as repeated attempts to secure the coveted Champions League trophy proved fruitless. During this time, the club sought expertise capable of navigating them to European success. Entered Di Matteo, who brought with him a grounded philosophy aimed at instilling positivity and breaking through barriers to Champions League glory.

Roberto Di Matteo (Photo by Darren Walsh/Chelsea FC via Getty Images)

Following a challenging period in the Premier League and a significant setback with a defeat by Napoli in the round of 16 of the Champions League, Villas Boas exited the Chelsea team, making room for assistant coach Roberto Di Matteo. Assuming the role of interim coach, Di Matteo embarked on the task of reversing the English side’s fortunes. While his football philosophy leaned towards an attacking style, evident from his tenure at West Bromwich Albion, he opted for a more flexible approach during his time with Chelsea.

Acknowledging the slim chances of Chelsea’s progression in the Champions League quarter-finals, Di Matteo pragmatically prioritized neutralizing opposition threats over adhering strictly to a specific style of play synonymous with Chelsea’s tradition.

Di Matteo benefited from the presence of eight players who had previously featured in the 2008 Champions League final, providing him with a squad boasting experience, technical proficiency, familiarity with Chelsea’s historical philosophies, and team cohesion, all of which he leveraged for potential success. He adjusted his tactics according to the strengths and weaknesses of each opponent, deploying formations such as 4-2-3-1 and defensively-oriented 4-3-3 as circumstances demanded.

Roberto Di Matteo (Photo by Alex Livesey/Getty Images)

Throughout his tenure, Di Matteo emphasized discipline, hard work, a strong foundation, and effective squad rotations, principles evident in the successful strategies of previous Chelsea coaches. Notably, in the Champions League semi-finals against Barcelona, he adopted an exceedingly defensive 4-3-3 formation characterized by discipline, hard work, and focus. Despite Barcelona dominating possession with 73%, Chelsea maintained their defensive structure and secured qualification to the finals where they faced Bayern Munich.

Against Bayern, Di Matteo employed a 4-2-3-1 setup, deploying a traditional full-back like Bertrand as a left midfielder to contain the attacking threats posed by Arjen Robben and Thomas Muller.

Defensively, he favored a compact 4-4-1-1 low block, reinforcing the principles of discipline and focus that underpinned his tactical decisions. Di matteo triumph with Chelsea showcased a resilient underdog spirit and tactical approach. Following Di Matteo’s success Conte took the Helm at Chelsea poised to add a premier league trophy to the cabinet. As to his philosophy, we will delve into it subsequently.

Antonio Conte (Photo by Michael Regan/Getty Images)

Conte was a big fan of the 3-4-3 shape, which he used to great effect at Chelsea. With three center backs, this system offered defensive stability while enabling wing-backs to press forward and facilitate fluid attacking play.

Conte placed emphasis on defensive structure and sturdiness. His teams had excellent defensive drills, with a focus on reducing open space for opponents to exploit and disciplined posture.

He took inspiration from the philosophy dubbed “the work ethics philosophy” where he encouraged high-intensity pressuring as a hallmark of his team, especially in the middle. In order to regain possession of the ball fast and impede the opposition’s build-up play, players were told to press hard.

Also, Chelsea not only had a strong defense but also shown effectiveness on the counterattack. His sides were skilled at switching from defense to attack fast, taking advantage of gaps created when opponents committed men forward.

From a defensive and offensive standpoint, Conte gave set pieces a lot of weight. Chelsea was skilled at using set pieces, frequently scoring goals from corners and free kicks as he helped the squad develop a strong sense of cohesion and work ethic. Players were required to put up a lot of effort for one another and follow. These principled influenced Chelsea’s premier league title in 2017 capitalizing on footprints of Mourinho and Carlo Ancellotti. With numerous struggles, another success era took to its heels.

Antonio Conte (Photo by Gonzalo Arroyo Moreno/Getty Images)

Inheriting a Chelsea team mid-season, Thomas Tuchel’s appointment in January 2021 heralded a dramatic turnaround, culminating in a stunning UEFA Champions League victory. Tuchel’s tactical restructuring of the squad emphasized a solid defensive foundation paired with disciplined, strategic offensive movements. The results were immediate with Chelsea improving from conceding 0.93 goals per game under Lampard to 0.43 goals per game under Tuchel, with Mendy keeping 11 clean sheets in his first 12 matches and conceding just 2 goals in his first 14 games.

Tuchel’s primary formation, the 3-4-3, seamlessly shifted into a 3-4-2-1 during play, creating a versatile and robust structure. On the ball, Chelsea’s shape was designed to maximize space and control the game’s tempo.

The three central defenders( Azpilicueta, Christensen, Rudiger) spread wide, while the wingbacks( Ben Chilwell, Marcos Alonso, Reece James ) crucial to Tuchel’s system, pushed high up the pitch and rotate with Chelsea’s #10s or advanced #8s
to get into goal scoring positions. This adjustment allowed Chelsea to stretch opponents horizontally, creating channels for penetrating forward passes.

Midfield dynamics were controlled by the likes of Jorginho, Kovacic or N’Golo Kanté, who facilitated ball progression and linked play between the lines. Their ability to distribute the ball effectively allowed Chelsea to transition from defense to attack fluidly, while also offering a shield to the back three when possession was lost.

Antonio Conte (Photo by Catherine Ivill/Getty Images)

Off the ball, Chelsea’s shape contracted into a compact 5-2-3 or 5-4-1, with the wingbacks dropping back to form a five-man defense. This structure was pivotal in their press, which was selectively aggressive—triggered in specific zones. Tuchel instilled a disciplined pressing system where the front three, supported by the midfield duo, harried opponents, forcing turnovers in advantageous areas.

The defensive solidity was epitomized in the Champions League final against Manchester City, where Chelsea’s tactical discipline shone. By neutralizing City’s threats through targeted pressing and maintaining a solid defensive block, Chelsea managed to stifle their opponent’s potent attack, while capitalizing on a crucial break to score.

Thomas Tuchel’s tactical masterclass provided a blueprint for balancing defensive security with calculated offensive risks, leading Chelsea to European glory. His adept manipulation of formations and player roles showcased not just strategic depth but a profound adaptability, turning potential vulnerabilities into orchestrated strengths.

Jorginho in action for Italy Photo Courtesy: Getty Images

The team’s success strategies echo similar principles and strategies. Historically, Chelsea prioritized defensive stability, discipline, prolonged focus, hard work, a robust winning mentality, set piece expertise and efficient conversion rates during attacking opportunities. This approach emphasizes team cohesion and continuity, with minimal player turnover and a focus on bolstering key positions for healthy competitions.

Effective leadership has been pivotal in hoisting the flag of success. Indeed blue is a color but is it the ideal? Football is the game but is it for the blues? If winning remains the ultimate aim, revisiting the successful strategies of the boys from the streets of Fullham is imperative. Here’s to the enduring legacy of successful philosophies, the beautiful game and the spirit of Chelsea.